Events
Race Directors

Ironstone 100K

July 11th 2026
Hollidaysburg, PA
Website
Registration
Results
100 KM
More events by Eastern States Trail-Endurance Alliance
Submit a correction

Course Record Progression

Female

Male

Nonbinary

No Finishers

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

More Miles Last One Standing Challenge
Knoxville, MD - 66 finishers
Backyard | Backyard
The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
Great Mansfield Outdoors
Mansfield, ON - 56 finishers
100 KM | 50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
MCW The Tatum Classic
Middletown Township, NJ - 16 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
View All Results